杂种优势

In bivalve molluscs, related phenomena, marker-associated heterosis and distortion of marker segregation ratios, have been widely reported over the past 25 years.

在双壳贝类研究中，与标记相关的杂种优势及偏分离现象在过去的25年中被广泛报道。

The research aimed to provide references for improvement of Brassica napus inbred lines and heterosis breeding.

［目的］为改良甘蓝型油菜品种与杂种优势育种提供参考。

Study of the relationship between genetic distance of 21 castor inbred lines and hete...

遗传距离与杂种优势指数的关系呈曲线关系。

The hybrids of CY×WP was found to show the highest heterosis ratewith a range of values from 2.28% to 18.20% on the four growth traits of body length,body weight, cephalothorax length and abdominal length, while the hybrids ofCY×HB and WP×CY showed the poor heterosis among the six hybridizationcombinations.

研究结果表明，在生长性状上，CY×WP组合的子一代无论在形态性状(体长、头胸甲长、腹节长)还是体重均较其它组合表现出最大的杂种优势(2.28％～18.20％)，而CY×HB和WP×CY组合子一代的各生长性状表现出杂交劣势。

Level than that of its female parent in the interspecific hybrid involved club wheat, heterosis in sedimentation value were observed in most interspecific hybrids.

但是种间杂种沉淀值的杂种优势比较普遍。

Utilization of heterosis is one of important and useful ways to promote crop output and quality.

杂种优势的利用是提高作物产量和品质的有效途径之一。

The second part is about animal breeding, including theory and method on animal breeding, such as selection and assess of breeding, breed method and essentiality of animal breed and animal strain, application of crossbreed and heterosis etc.

二、动物育种：研究动物育种理论和方法，了解种用动物的选择与评定，畜禽品种和品系的培育方法及重要性，杂交育种和杂种优势的应用等。

Different parent have different hereditary effects of yield and quality traits. Rational select the parent will help to crossbreed of Island Cotton and to use hybrid heterosi.

不同亲本对产量、品质性状的遗传效应不同，合理选配亲本有助于海岛棉杂交育种和杂种优势的利用。

It was found that there was not an obvious correlation of the cumulation of differential expression genes with dominant expression level to the expression of rice heterosis.

分析表明，具显性表达水平的差异表达基因的聚合与杂种优势表现无明显相关性。

The heterosis in practice production was mainly used by hand emasculation and male sterility.

在生产上，棉花杂种优势利用主要是通过人工去雄杂交制种和利用棉花核雄性不育系杂交制种两种方法。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。